Advani hopes to finish the attic and install a minisplit although he s not sure that will lower the humidity.
Humidity in attic problem.
Only about 10 of the hip roof is shaded so it gets plenty of direct sunlight.
For an attic to be comfortable its relative humidity should measure no more than 60.
If you ve got a spray foamed attic and you ve got high humidity here s how to fix it for good.
This problem does not stay in the attic but often eventually spreads to the rest of the house.
If your customers find that their attic is feeling a little humid especially during the warmer months of the year then it s probably time for them to explore some solutions.
It wouldn t solve the problem of high humidity in the attic though.
With outside temperatures ranging between 5 f and 95 f attic temperatures range between 48 f and 92 f.
This condition occurs when hot humid ocean breezes blows into the attic via soffit vents and causes humidity in the attic to rise and attic ductwork to reach dew point.
The best solution to solving a moisture problem is to control the moisture at its source.
One of the most common problems that homeowners run into is high humidity levels.
Attic moisture usually appears because of condensation.
Bathroom fan venting into the attic.
When it exceeds that threshold by too much and for too long you could experience problems like mold growth.
As the moisture migrates upwards to the colder attic areas during the winter months the relative humidity is increased to the point that condensation can occur on cold surfaces.
You can do that by directly conditioning the attic with supply air by blowing conditioned air from the house into the attic by exhausting air from the attic to outdoors or by using a dehumidifier.
The normal indoor humidity range in winter should be 15.
Ventilation is another key factor.
If you have high temperatures and high humidity in your attic then you may also have a problem with mold.
During the spring summer and fall relative humidity rh in a spray foamed attic often exceeds the comfort threshold of 60.
If you don t do that you ve got to reduce the amount of water vapor in the attic.
Temperature attic temperature depends on the outside temperature and it also depends if your house is insulated.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
To wrap it up if you have problems with high humidity in your attic purchasing a dehumidifier is a good idea but you should also try to figure out the root cause of the problem.